APA (7th ed.) Citation

Janssens, D. L. (1891). Le Rytme du Chant Gregorian.

Chicago Style (17th ed.) Citation

Janssens, D. Laurent. Le Rytme Du Chant Gregorian. Gand, 1891.

MLA (9th ed.) Citation

Janssens, D. Laurent. Le Rytme Du Chant Gregorian. 1891.

Warning: These citations may not always be 100% accurate.